PT-TW340E LCD Short Throw Projector

Space-saving, Easy Interactity, powered by a Long-Lasting Lamp
With a 0.46:1 throw ratio, the PT-TW340E Short Throw 3LCD Multimedia Projector from Panasonic is designed for classrooms and other installations where it will be placed very close to the screen, optimally less than 40″. The three-LCD imaging device renders a native resolution of 1280 x 800 (WXGA) and a native aspect ratio of 16:10. Through built-in scaling the projector can also support non-native resolutions up to 1920 x 1200 (WUXGA) for computer sources and 1920 x 1080 at 60 fps for HDTV sources.

Multiple inputs allow the projector to receive video from devices ranging from document cameras, computers, DVD and Blu-ray Disc players, media players, and more. There is an HDMI port with HDMI Deep Color (30-bit) support and a VGA input that – using separately available adapters – can accept component and S-video signals as well as RGB computer signals – for component a third-party cable can be used, while for S-video specifically the ET-ADSV adapter must be used. A second VGA port can either serve as another RGB input or can be set to loop-out the signal received by the VGA input. For legacy analog video sources such as VCRs there is a dedicated composite input. There are two analog audio inputs, one on dual RCA that is paired with the composite input and one on 3.5mm mini jack for the VGA inputs. For audio output there is a 10 watt mono speaker, plus a 3.5mm mini jack output for amplified speakers or connecting to a sound system.

The projector features dual USB 2.0 ports. A type A female for giving PC-less presentations from a flash drive or other USB storage device. Plus a type B female that provides an alternative way of connecting the projector to a computer – ideal where the computer lacks an available monitor output. For centralized control and maintenance there is an RS-232 port as well as an Ethernet port with PJLink support.

Superb performance with interactive functionality*

  • Interactive functions* let you write on a projected image (PT-TW341R only)
  • A brightness level ranging from 2,700 lm*2 to 3,500 lm**, and contrast ratio of 5,000:1 in a compact body
  • A maximum 8,000-hour*** lamp replacement cycle
  • A long-life filter with a maximum 5,000-hour**** replacement cycle
  • Quiet 29-dB***** design helps to hold viewers’ attention
  • The Daylight View Lite function supports easy and comfortable viewing in a bright room


Ease of installation

  • Wide 80-inch screen images with a short projection distance of 75 cm (2.5 ft)******
  • Corner Keystone Correction enables angled projection
  • Curved Screen Correction for projecting onto a curved screen
  • Multi Projector Monitoring and Control Software is available for monitoring and controlling multiple Panasonic projectors from a single PC


Variety of useful features

  • A USB Memory Viewer function for projecting without having to connect to a computer
  • USB Display function*9 for easy projection using a USB cable
  • Equipped with an HDMI input terminal and abundant interfaces
  • Other useful features including a built-in 10 W speaker, a built-in closed caption decoder, Blackboard modes, etc

*1 Interactive function: PT-TW341R only
*2 Brightness ratings for models in the PT-TW341R series are as follows: PT-TX400 (3,500 lm), PT-TW341R/TW340 (3,200 lm),
and PT-TW250 (2,700 lm)
*3 This is the maximum value when the lamp power is set to Eco2
*4 The usage environment affects the duration of the filter
*5 Lamp power: Eco
*6 For the PT-TX400. Projection distance of 80 cm (2.6 ft) for the PT-TW341R/TW340/TW250

Model PT-TW341R PT-TW340 PT-TW250
Power supply 100-240 V AC, 50/60 Hz
Power consumption 300 W (0.5 W when STANDBY MODE set to ECO,*1
6.0 W when STANDBY MODE set to NORMAL.)
LCD panel Display method Transparent LCD panel (x 3, R/G/B)
Drive method Active matrix method
Panel size 15.0 mm (0.59 in) (16:10 aspect ratio)
Pixels 1,024,000 (1,280 x 800) pixels
Lens Fixed (0.46:1 throw ratio), manual focus F = 1.8, f = 6.08 mm
Lamp 230 W x 1,
lamp replacement cycle (lamp control: Normal/Eco1/Eco2): 5,000 hours/6,000 hours/8,000 hours*2
Screen size (diagonal) 1.27-2.54 m (50-100 in), 16:10 aspect ratio
(Lamp power: Normal)
3,200 lm 2,800 lm
Center-to-corner uniformity*3 80 %
Contrast*3 10,000:1 (full on/off)
(RGB signal input, Color mode: Dynamic, Lamp power: Normal)
Resolution 1,280 x 800 pixels
(Input signals that exceed this resolution will be converted to 1,280 x 800 pixels.)
Scanning frequency HDMI fH: 15-91 kHz, fV: 24-85 Hz, dot clock: 162 MHz or lower
RGB (analog) fH: 15-91 kHz, fV: 24-85 Hz, dot clock: 162 MHz or lower
YPBPR (YCBCR) fH: 15.73 kHz, fV: 59.94 Hz [480i (525i)],
fH: 15.63 kHz, fV: 50 Hz [576i (625i)],
fH: 45.00 kHz, fV: 60 Hz [720 (750)/60p],
fH: 33.75 kHz, fV: 60 Hz [1080 (1125)/60i],
fH: 28.13 kHz, fV: 25 Hz [1080 (1125)/25p],
fH: 27.00 kHz, fV: 48 Hz [1080 (1125)/24sF],
fH: 67.50 kHz, fV: 60 Hz [1080 (1125)/60p],fH: 31.47 kHz, fV: 59.94 Hz [480p (525p)],
fH: 31.25 kHz, fV: 50 Hz [576p (625p)],
fH: 37.50 kHz, fV: 50 Hz [720 (750)/50p],
fH: 28.13 kHz, fV: 50 Hz [1080 (1125)/50i],
fH: 27.00 kHz, fV: 24 Hz [1080 (1125)/24p],
fH: 33.75 kHz, fV: 30 Hz [1080 (1125)/30p],
fH: 56.25 kHz, fV: 50 Hz [1080 (1125)/50p]
Video/S-Video fH: 15.73 kHz, fV: 59.94 Hz [NTSC/NTSC4.43/PAL-M/PAL60],
fH: 15.63 kHz, fV: 50 Hz [PAL/SECAM/PAL-N]
Optical axis shift 7.2:-1 (fixed)
Keystone correction range Vertical: ±15° (Auto, Manual), horizontal: ±15° (Manual)
Installation Ceiling/floor, front/rear
Terminals HDMI IN HDMI 19-pin x 1 (compatible with HDCP, Deep Color)
480i,*4 480p, 576i,*4 576p, 720/60p, 720/50p, 1080/60i, 1080/50i,
1080/60p, 1080/50p, 1080/30p, 1080/25p, 1080/24p, 1080/24sF,
VGA (640 x 480)-WUXGA (1,920 x 1,200),*5
audio signal: linear PCM (sampling frequencies: 48 kHz, 44.1 kHz, 32 kHz)
COMPUTER 1 IN D-sub HD 15-pin (female) x 1 (RGB/YPBPR/YCBCR /S-VIDEO x 1)
(The D-Sub/S-VIDEO conversion cable ET-ADSV is required for inputting S-VIDEO signals.)
D-sub HD 15-pin (female) x 1 (RGB x 1), (input/output selectable using on-screen menu)
VIDEO IN Pin jack x 1
AUDIO 1 IN M3 x 1 (L-R x 1)
AUDIO 2 IN Pin jack x 2 (L, R x 1)
AUDIO OUT M3 x 1 (L-R x 1) for output (variable)
LAN RJ-45 x 1
(for network connection, 10BASE-T/100BASE-TX, compliant with PJLink™ (class 1))
SERIAL IN D-sub 9-pin (female) x 1 for external control (RS-232C compliant)
USB A USB type-A (for the Memory Viewer) x 1
USB B USB type-B (for the USB Display) x 1
Mini USB 1 (for interactive function)
Built-in speaker 10 W (monaural) x 1
Cabinet materials Molded plastic (PC)
Dimensions (W x H x D) 335 x 134.1*6 x 329 mm (13-3/16 x 5-9/32*6 x 12-15/16 in)
Weight*7 Approximately 3.8 kg (8.4 lbs)
Operation noise*3 37 dB (Lamp power: Normal), 33 dB (Lamp power: Eco1), 28 dB (Lamp power: Eco2)
Operating temperature 5 °C-40 °C (41 °F-104 °F) (less than 1,400 m [4,593 ft] above sea level),
5 °C-35 °C (41 °F-95 °F) (between 1,400 m and 2,700 m [4,593 ft and 8,858 ft] above sea level)
Operating humidity 20-80 % (no condensation)
Supplied accessories Power cord x 1,*8
wireless remote
control unit x 1,
(AAA/R03/LR03 type x 6),
computer cable
(1.5 m, for VGA) x 1,
interactive pen x 2,
USB cable (4.5 m) x 1,
software CD-ROM
(Multi Projector Monitoring &
Control Software,
LightPen3) x 1
Power cord x 1,*8
wireless remote control unit x 1,
batteries (AAA/R03/LR03 type x 2),
computer cable (1.5 m, for VGA) x 1,
software CD-ROM
(Multi Projector Monitoring & Control Software) x 1

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